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Lenovo ThinkCentre M70e Hardware Maintenance Manual (HMM) for ThinkCentre M70e - Page 111

Accessing the system board components and drives, Removing the front bezel

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Figure 41. Removing the front bezel 4. To reinstall the front bezel, align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inward until it snaps into position. Figure 42. Reinstalling the front bezel 5. Go to "Completing the parts replacement" on page 129. Accessing the system board components and drives Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to access the system board components and drives. Chapter 9. Replacing FRUs (Machine Types: 0804, 0809, 0811, 0822, 0825, 0828, 0830, 0833, 0837, 0843, 0845, 0847, and 0849.) 103

Section	Page
Chapter 1. About this manual	9
Important safety information	9
Important information about replacing RoHS compliant FRUs	9
Chapter 2. Safety information	11
General safety	11
Electrical safety	11
Voltage-selection switch	13
Safety inspection guide	13
Handling electrostatic discharge-sensitive devices	14
Grounding requirements	14
Safety notices (multi-lingual translations)	14
Chapter 3. General information	37
Lenovo ThinkVantage Toolbox	37
ThinkVantage Productivity Center	37
Lenovo Welcome	37
Additional information resources	37
Specifications	38
For machine types: 0806, 0810, 0821, 0823, 0827, 0829,0832, 0835, 0842, 0844, 0846, 0848, 0851, and 4089.	38
For machine types: 0804, 0809, 0811, 0822, 0825, 0828, 0830, 0833, 0837, 0843, 0845, 0847, and 0849.	39
Chapter 4. General checkout	41
Problem determination tips	41
Chapter 5. Diagnostic programs	43
Lenovo ThinkVantage Toolbox	43
PC-Doctor for Rescue and Recovery	43
PC-Doctor for DOS	44
Creating a diagnostic disc	44
Running the diagnostic program from the diagnostic disc	44
Navigating through the diagnostic programs	44
Running tests	44
Viewing the test log	46
Chapter 6. Using the Setup Utility program	47
Starting the Setup Utility program	47
Viewing or changing settings	47
Using passwords	47
Password considerations	48
Power-on password	48
Administrator password	48
Setting, changing, or deleting a password	48
Enabling or disabling a device	48
Selecting a startup device	49
Selecting a temporary startup device	49
Viewing or changing the startup device sequence	49
Exiting the Setup Utility program	50
Chapter 7. Symptom-to-FRU index	51
Hard disk drive boot error	51
Power Supply Problems	51
Diagnostic error codes	51
Beep symptoms	69
POST error codes	70
Miscellaneous error messages	71
Undetermined problems	73
Chapter 8. Replacing FRUs (Machine Types: 0806, 0810, 0821, 0823, 0827, 0829,0832, 0835, 0842, 0844, 0846, 0848, 0851, and 4089.)	75
Locating connectors, controls, and indicators on the front of your computer	75
Locating connectors and parts on the rear of your computer	76
Locating components	76
Locating parts on the system board	77
Locating internal drives	78
Removing the computer cover	79
Removing and reinstalling the front bezel	80
Installing or replacing a PCI card	82
Installing or replacing a memory module	84
Replacing the battery	86
Replacing the power supply assembly	87
Replacing the heat sink and fan assembly	89
Replacing the microprocessor	91
Replacing the system board	93
Replacing the optical drive	95
Replacing the hard disk drive	97
Replacing the front audio and USB assembly	99
Replacing the rear fan assembly	100
Completing the parts replacement	102
Chapter 9. Replacing FRUs (Machine Types: 0804, 0809, 0811, 0822, 0825, 0828, 0830, 0833, 0837, 0843, 0845, 0847, and 0849.)	105
Locating connectors, controls, and indicators on the front of your computer	105
Locating connectors and parts on the rear of your computer	106
Locating components	106
Locating parts on the system board	107
Locating internal drives	108
Removing the computer cover	109
Removing and reinstalling the front bezel	110
Accessing the system board components and drives	111
Installing or replacing a PCI card	113
Installing or replacing a memory module	115
Replacing the battery	116
Replacing the heat sink and fan assembly	118
Replacing the microprocessor	120
Replacing the system board	123
Replacing the power supply assembly	125
Replacing the optical drive	129
Replacing the hard disk drive	132
Replacing the front fan assembly	135
Completing the parts replacement	137
Chapter 10. FRU lists	139
Overall: Machine Types: 0806, 0810, 0821, 0823, 0827, 0829,0832, 0835, 0842, 0844, 0846, 0848, 0851, and 4089.	139
Mechanical FRUs	159
Keyboard and Mouse	165
Adapters and miscellaneous FRUs	209
Power Cords	212
Recovery discs	223
Windows 7 Home Basic 32 Recovery CD	223
Windows 7 Home Basic 32 Office Starter Recovery CD	226
Windows 7 Home Premium 32 Recovery CD	228
Windows 7 Home Premium 32 Office Starter Recovery CD	232
Windows 7 Professional 32 Recovery CD	235
Windows 7 Professional 32 Office Starter Recovery CD	242
Windows 7 Professional 64 Recovery CD	249
Windows 7 Professional 64 Office Starter Recovery CD	252
Windows 7 Starter 32 Recovery CD	255
Windows 7 Starter 32 with office starter 2010 Recovery CD	258
Windows XP Professional 32 Recovery CD	260
Windows Vista Business 32 SP2 Recovery CD	266
Windows Vista Business 32 SP2 with office starter 2010 Recovery CD	267
Windows Vista Home Basic 32 SP2 Recovery CD	269
Windows Vista Home Basic 32 SP2 with office starter 2010 Recovery CD	270
Windows Vista Starter SP2 Office 2010 Recovery CD	270
Overall: Machine Types: 0804, 0809, 0811, 0822, 0825, 0828, 0830, 0833, 0837, 0843, 0845, 0847, and 0849.	271
Mechanical FRUs	287
Keyboard and Mouse	295
Adapters and miscellaneous FRUs	338
Power Cords	342
Recovery discs	351
Windows 7 Home Basic 32 Recovery CD	351
Windows 7 Home Basic 32 office starter 2010 Recovery CD	353
Windows 7 Home Premium 32 Recovery CD	356
Windows 7 Home Premium 32 with office starter 2010 Recovery CD	359
Windows 7 Professional 32 Recovery CD	362
Windows 7 Professional 32 with office starter 2010 Recovery CD	369
Windows 7 Professional 64 Recovery CD	376
Windows 7 Professional 64 with office starter 2010 Recovery CD	379
Windows 7 Starter 32 Recovery CD	382
Windows 7 Starter 32 with office starter 2010 Recovery CD	384
Windows XP Professional 32 Recovery CD	386
Windows Vista Business 32 SP2 Recovery CD	393
Windows Vista Business 32 SP2 with office starter 2010 Recovery CD	394
Windows Vista Home Basic 32 SP2 Recovery CD	396
Windows Vista Home Basic 32 SP2 with office starter 2010 Recovery CD	397
Windows Vista Starter SP2 Office 2010 Recovery CD	397
Chapter 11. Additional service information	399
Security features	399
Hardware-controlled passwords	399
Operating system password	399
Vital Product Data	399
BIOS levels	399
Updating (flashing) the BIOS from a disc	399
Updating (flashing) the BIOS from your operating system	400
Recovering from a POST and BIOS update failure	400
Power management	401
Advanced Configuration and Power Interface (ACPI) BIOS	401
Automatic Power-On features	401
Appendix A. Notices	403
Television output notice	404
European conformance CE mark	404
Trademarks	404